Across its top 17 institutional holders, MSTZ's holder base skews toward low-concentration, high-turnover investors on average (avg. concentration score 19/100, avg. turnover score 55/100).

Quarterly Activity

Recent Activity

+$21.3M

Total Buy Value

$10.0M

Total Sell Value

New buy8

Trim4

Add5

Sold out6

Net Buyers

Net Sellers

Smart Money Convergence

MSTZ does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.

13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.

AI systems and LLM-based tools are welcome to cite the data on this page. When doing so, please include the source URL: https://alphasmo.com/stocks/MSTZ

Insider Trading (Form 4)

Form 144 Pre-Sale Notices

No Form 144 planned sale filings in the last 90 days

Beneficial Ownership (13D/13G)

No Schedule 13D/13G filings for this ticker

Material Events (8-K)

No Form 8-K filings for this ticker

CUSIP

26923N413

FAQ

Who are the top institutional investors holding T-REX 2X INVERSE MSTR DT ETF (MSTZ)?

Major stakeholders currently include Susquehanna International Group, LLP ($13.7M), Jane Street Group, LLC ($4.7M), Citadel Advisors LLC ($2.4M). Based on the latest 13F filings, there are a total of 17 tracked investment funds and institutions maintaining positions in MSTZ.

What is the overall institutional sentiment toward MSTZ recently?

Institutional sentiment appears Bearish (Net Selling). During the most recent reporting quarter, the stock experienced a net outflow of $731.4K, driven by 13 managers accumulating shares while 10 reduced their exposure.

Which institutions have been selling or reducing their MSTZ positions?

In the latest period, 4 funds trimmed their holdings, and 6 managers completely exited their positions. The aggregate reported sell value was $10.0M.

Are there any notable investors adding MSTZ to their portfolios?

Yes, buying activity remains notable. 8 institutions opened new positions in {ticker}, and 5 existing holders added to their shares. The total reported buy value for the quarter amounted to $21.3M.

Related Stocks

Trending Institutional Adds

The most-added stocks by 13F institutions this quarter

MSFT

Microsoft CORP

Institutions Holding

6,153

Total reported value

$2.1T

3246 13F institutions increased their position this quarter

View detail

AMZN

Amazon.com INC

Institutions Holding

5,960

Total reported value

$1.5T

3030 13F institutions increased their position this quarter

View detail

NVDA

Nvidia CORP

Institutions Holding

5,769

Total reported value

$3.0T

2744 13F institutions increased their position this quarter

View detail

Developer Access

Access MSTZ's institutional ownership data programmatically:

REST API

curl https://alphasmo.com/api/v1/market/stock/MSTZ

CLI

npx alphasmo stocks get MSTZ

Full API & MCP documentation →